2021 Cannondale Bad Boy vs 2023 Specialized Sirrus 1.0
The L is the Specialized Sirrus 1.0 size closest to your M Cannondale Bad Boy. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Sirrus 1.0
Compared with the Cannondale Bad Boy in M, the Specialized Sirrus 1.0 in L places the top of the head tube 10 mm lower and 7 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- −10 mm
- Lower front end
- Frame reach
- −7 mm
- Shorter frame reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Cannondale Bad Boy, MSpecialized Sirrus 1.0, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Cannondale Bad Boy M | Specialized Sirrus 1.0 L | Difference |
|---|---|---|---|
| Reach | 409 | 402mm | −7 mm |
| Stack | 618 | 608mm | −10 mm |
| Head tube angle | 70 | 71° | +1.0° |
| Seat tube angle | 73.5 | 73.5° | ±0.0° |
| Effective top tube | 592 | not listed | |
| Chainstay length | 435 | 440mm | +5 mm |
| Wheelbase | 1070 | 1075mm | +5 mm |
| BB drop | 53 | not listed | |
| BB height | 280 | not listed | |
| Standover | 792 | 805mm | +13 mm |
| Seat tube length | 490 | 510mm | +20 mm |
| Head tube length | 160 | 191mm | +31 mm |
| Fork length | not listed | 395mm |
Differences are the Specialized Sirrus 1.0 minus the Cannondale Bad Boy. Full charts: 2021 Cannondale Bad Boy, 2023 Specialized Sirrus 1.0.
Where each sits in its class
Cannondale Bad BoySpecialized Sirrus 1.0
Each bike is ranked against the other commuter bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Cannondale Bad Boy1 | Specialized Sirrus 1.01.0 |
|---|---|---|
| Frame | Cannondale Bad Boy OPI | not listed |
| Fork | Lefty LightPipe | not listed |
| Shifter | Shimano Alfine | Shimano EF500 |
| Cassette | Gates CDX | Shimano HG200 |
| Chain | Gates CDX Centertrack | KMC X8 |
| Crankset | Gates S150 | not listed |
| Bottom bracket | Thun Zumba | not listed |
| Tire | WTB Byway | Specialized Roadsport |
| Brake | Shimano MT400 hydro, Shimano MT401 | not listed |
| Stem | Bad Boy Si | not listed |
| Grips | Fabric Silicone Cell | not listed |
| Seatpost | LightSkin | not listed |
| Saddle | Fabric Scoop Radius Elite | Specialized Bridge Sport |
| Derailleur | not listed | Shimano Tourney FD-TY710-2, Shimano Altus |
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